86670926631 has 12 divisors (see below), whose sum is σ = 125238455160. Its totient is φ = 57758871600.

The previous prime is 86670926627. The next prime is 86670926653. The reversal of 86670926631 is 13662907668.

It is not a de Polignac number, because 86670926631 - 2² = 86670926627 is a prime.

It is a super-2 number, since 2×86670926631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86670926231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1786920 + ... + 1834781.

It is an arithmetic number, because the mean of its divisors is an integer number (10436537930).

Almost surely, 2^86670926631 is an apocalyptic number.

86670926631 is a deficient number, since it is larger than the sum of its proper divisors (38567528529).

86670926631 is a wasteful number, since it uses less digits than its factorization.

86670926631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624366 (or 3624363 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 86670926631 in words is "eighty-six billion, six hundred seventy million, nine hundred twenty-six thousand, six hundred thirty-one".